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90 Antiope (A866 TA)
Classification: Main-belt Asteroid          SPK-ID: 2000090
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 104 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1664995144925148 3.2771e-08  
a 3.148725610415441 8.5975e-09 au
q 2.624464325011123 1.049e-07 au
i 2.206751712551211 3.6301e-06 deg
node 69.96053962415733 9.7006e-05 deg
peri 244.9419893952083 9.7534e-05 deg
M 215.6355440270668 1.0831e-05 deg
tp 2459818.886448736922
(2022-Aug-27.38644874)
6.1655e-05 TDB
period 2040.800968352833
5.59
8.3585e-06
2.288e-08
d
yr
n .1764013275094447 7.2249e-10 deg/d
Q 3.672986895819759 1.0029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      4348  
   data-arc span      56142 days (153.71 yr)  
   first obs. used      1866-10-01  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:06:52  

Additional Information
 Earth MOID = 1.61168 au 
 Jupiter MOID = 1.62088 au 
 T_jup = 3.185 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.1   n/a MPO502153 IRAS observations used: 3
diameter diameter 115.974 km 1.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 16.509 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Hansen, A.T.; Arentoft, T.; Lang, K. (1997) Minor Planet Bull. 24, 17.]
[Michalowski, T.; Colas, F.; Kwiatkowski, T.; Kryszczynska, A.; et al. (2001) Astron. Astrophys. 378, L14-L16.]
[Michalowski, T.; Colas, F.; Kwiatkowski, T.; Kryszczynska, A.; et al. (2002) Astron. Astrophys. 396, 293-299; (2001) IAUC 7757.]
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Descamps, P.; et al. (2005) Abstr. IAU Symp. 229, p. 87; also http://portail.imcce.fr/page.php?nav=en/observateur/campagnes_obs/a ntiope]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Descamps, P.; Marchis, F.; Michalowski, T.; Vachier, F.; et al. (2007) Icarus 187, 482-499.]
[Descamps, P.; Marchis, F.; Micalowski, T.; Berthier, J.; et al. (2009) Icarus 203, 102-111.]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Bartczak, P.; Michalowski, T.; Santana-Ros, T.; Dudzinski, G. (2014) Mon. Not. Royal Ast. Soc. 443, 1802-1809.]
geometric albedo albedo 0.058   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.688   0.016 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=8.58, mean=12.61, max.=16.29) deg.
U-B UB 0.317   0.047 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=8.58, mean=12.61, max.=16.29) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

90 Antiope (A866 TA)          Discovered 1866-Oct-01 by Luther, R. at Dusseldorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1907-Dec-09 13:00 00:01 Jupiter 1.6443712290306 1.6443708119443 1.64437164611654 1.51069314210287 1.11892152652362 2417919.041736555 1.2226766969643 92.4533746335092 68.3775966654969 -64.7853463116262 2495179.43847411 T 104 CATAB v2.0f-lin.ifort 2020-Jun-23 15:07:16 2020-Jun-23 15:07
1918-May-21 10:09 00:01 Jupiter 1.64832131322423 1.6483208616204 1.64832176482768 1.86453307004619 1.56484631928197 2421734.923128173 1.10804197373087 52.1301499542406 33.3804090493934 88.8806063065389 1906324.74420085 T 104 CATAB v2.0f-lin.ifort 2020-Jun-23 15:07:16 2020-Jun-23 15:07
1928-Oct-23 14:10 < 00:01 Jupiter 1.94698280483238 1.94698223724447 1.94698337242039 3.59802406497031 3.47500933263899 2425543.090440114 0.941408971740602 52.8725868259481 15.6847880766763 -73.0940204919776 3239987.78693411 T 104 CATAB v2.0f-lin.ifort 2020-Jun-23 15:07:16 2020-Jun-23 15:07
1992-May-16 08:02 < 00:01 Jupiter 1.91267724232155 1.91267685510717 1.91267762953582 2.3122724195735 2.11208679855682 2448758.835065892 0.312910712146662 43.9099574508662 5.72969764536168 -87.6144945130612 3208912.69916623 T 104 CATAB v2.0f-lin.ifort 2020-Jun-23 15:07:16 2020-Jun-23 15:07
2002-Nov-02 12:00 < 00:01 Jupiter 1.63550246875794 1.6355021499029 1.63550278761271 1.48541105846952 1.08196634155797 2452581.000024011 0.209444614973758 94.9711092631422 60.5122751326165 -39.7996149356353 2786651.44280461 T 104 CATAB v2.0f-lin.ifort 2020-Jun-23 15:07:16 2020-Jun-23 15:07
2013-Apr-14 22:25 < 00:01 Jupiter 1.67158060881282 1.67158027322076 1.67158094440468 1.96163805753025 1.68362253437013 2456397.433799265 0.189725830844604 47.779725541205 13.991706721854 -86.2227462025798 2894226.08818727 T 104 CATAB v2.0f-lin.ifort 2020-Jun-23 15:07:16 2020-Jun-23 15:07
2023-Sep-21 19:11 < 00:01 Jupiter 1.97680455573764 1.97680418574194 1.97680492573329 3.75984317659373 3.64409925736945 2460209.299422109 0.243122356585937 34.3058633750238 14.392953395764 -82.7150711784061 4197046.03221358 T 104 CATAB v2.0f-lin.ifort 2020-Jun-23 15:07:16 2020-Jun-23 15:07
2087-Apr-13 06:43 < 00:01 Jupiter 1.88883544343079 1.88883492150148 1.88883596535988 2.21310194646006 2.00023685573504 2483423.779912074 0.852051383800165 51.5764685440573 4.72129593466935 -87.3286541366499 2449111.15108128 T 104 CATAB v2.0f-lin.ifort 2020-Jun-23 15:07:16 2020-Jun-23 15:07
2097-Oct-01 02:44 00:01 Jupiter 1.63465522910512 1.63465485987194 1.63465559833784 1.48122354932618 1.07596073516334 2487247.614127998 1.00524530305135 95.8670129619149 75.006509392149 -46.5568835643679 2501961.03484324 T 104 CATAB v2.0f-lin.ifort 2020-Jun-23 15:07:16 2020-Jun-23 15:07
2108-Mar-12 05:24 00:01 Jupiter 1.69746247397457 1.6974620067589 1.69746294118995 2.06665425931842 1.80916364458664 2491061.725070191 1.18507568307841 45.2691990654791 13.3457030223226 -88.620803954489 2080144.40265676 T 104 CATAB v2.0f-lin.ifort 2020-Jun-23 15:07:16 2020-Jun-23 15:07
2182-Mar-08 14:00 00:02 Jupiter 1.86325801533099 1.86325709226709 1.86325893839479 2.11134797828463 1.88377438490487 2518086.083271899 1.92967267870304 76.9977050732625 5.67742357337311 -88.1239905143931 1880547.3472389 T 104 CATAB v2.0f-lin.ifort 2020-Jun-23 15:07:16 2020-Jun-23 15:07
2192-Aug-27 13:55 00:02 Jupiter 1.63649684560521 1.63649642003034 1.63649727117998 1.48820540513759 1.08608924801418 2521911.079633810 2.08899146510413 120.915918394149 79.1847506006044 -79.8618076024562 2485150.33219426 T 104 CATAB v2.0f-lin.ifort 2020-Jun-23 15:07:16 2020-Jun-23 15:07

Alternate Designations
 A866 TA = 1952 BK2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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